Endodontic treatment of the mandibular first molar with six root canals: A case report and literature review
- Meiwei Liu
- Yan Zhang
- Pei Sun
- Yanya Qiao
- Keqing Pan
Affiliations: Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China, School of Stomatology, Qingdao University, Qingdao, Shandong 266003, P.R. China
- Published online on: November 9, 2022 https://doi.org/10.3892/etm.2022.11696
Copyright: © Liu
et al. This is an open access article distributed under the
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Commons Attribution License.
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The mandibular first molars normally have three or four root canals and rarely have five or more root canals. The present study reported a rare anatomical configuration with six root canals in the mandibular right first molar diagnosed during endodontic treatment using a dental operating microscope and confirmed with the help of cone‑beam computed tomography (CBCT) images. The present case report revealed that there is an increasing possibility of detecting additional canals through the magnification of the microscope and the improvement of CBCT diagnostic technology. As more abnormal morphologies in root canals are reported, dentists need to understand this diversity in anatomical structure and improve treatment techniques.